Carbureter.



. 'CARBURETER.'

APPLICATION FILED APR. 20, 1914. RENEWED MAR. 19.1915.

Patented 001. 19, 1915. A

2 SHEETS-JSHEET 1.

- A. EERNY.

CARBURETER.

APPLICATION EILED'APR. 20. 19M. RENEWED MAR. 19,1915.

1 9 15197 Patented Oct. 19, 1915.

2'SHEETS-SHEET 2.

pnrrnp sriifriis PATENT oration.

ALOIS GER/NY, OF SHINER, TEXAS.

CARBURETER.

Mamet.

Application filed April 20, 1914, Serial No. 833, 176. Renewed March 19, 1915.

To all whom it may concern Be it known that I, ALois Cnnxir, a citizen of the United States, residing at Shiner, in the county of Lavaca and State of Texas, have invented certain new and useful Improvements in Carbureters; and I do hereby declare the following to be a full, clear. and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention comprehends certain new and useful. improvements in carbureters, and has for its primary object to provide a device of this character which will be constructed in such manner that the amount of oil entering the carbureter will be automatically regulated according to the amount of air entering said carbureter.

- Another object is to provide a device of this character which will be provided with a means for connecting the air valves with the combined carbureter spraying nozzle and oil valve, whereby movement of the latter will be controlled by movement of the air valve, thereby assuring proper regulation of the quantity of oil or gasolene entering the carbureter mixing chamber, according to the amountof air entering said carbureter mixim'gchamber.

" still further object of this invention is to generally improve and simplify the construction and operation of devices of this character and increase the eiliciency thereof without increasing the cost of the same.

Vith these and other objects in view as will become more apparent as the description proceeds, the invention consists in certain novel features of construction, combination and arrangement of parts as will be hereinafter more fully described and claimed.

For a complete understanding of my in vention, reference is to be had to the following description and accompanying drawings, in whieh Figure '1 is an elevational view of the Fig. 2 is a longitudinal vertical section thereof. Fig. 3 is a detail view of the combined spraying nozzle and oil controlling valve. Fig. his a cross sectional view taken-on the plane of line 4.-4 of Fig. 2. Fig. 5 is a detail view of the operating member for the combined spraying nozzle and oil controlling valve. F1g. 6 is a detail sectional view taken on the plane Specification of Letters Patent.

of line 6-6 of Fig. 2, and Fig. 7 is a detail sectional view on the line 'T7 of Fig. l.

lieferring in detail to the drawings by numerals, l designates the body or mixing chamber of the carbureter which may be connected with the intake manifold of an engine, in any suitable and well known. manner. and to which is connected the air intake pipe 2, having the air controlling valve 3 mounted therein upon the valve stem -i, which, it will be understood, extends transversely through said air intake pipe 2. As will be readily understood, the body or mixing chamber 1 of the carbureter rests upon the base 5, upon which is also positioned the oil or gasolene chamber 6 having a removable cover 7 with a central aperture and a threaded extension 8 projecting up wardlv from around the edge of said central aperture, the centrally perforated cap 9 be ing threaded upon the free end of said extension 8 and being also provided with a central opening, registering with the central opening of the threaded extension 8, the purpose of said openings being to accommodate the valve stem 10, as will presently be apparent.

The valve stem 10 is secured through the center of the float 11, which is positioned in the oil or gasolene feed tank 6, previously mentioned, the lower end of the valve stem 10 projecting below the bottom of the float ll and being reduced, as shown at 12, for engagement in the oil or gasolene inlet opening 13 for said oil or gasolene feed tank 6, when the float 11 is in its uppermost position, thereby closing the said inlet opening and preventing oil or gasolene from entering said feed tank 6, by way of the oil passage ll in the base 5 and connecting with said inlet'opening 18. It will be understood that the valve stem 10 is looselyengaged through the. center of the float 11 and has a collar 15 rigidly securedthereto above the top of the float 11., the inner bifurcated ends of the rock arms 16 being pivoted to opposite portions of said collar 15. The rock arms 16 are pivoted intermediate their ends in thebrackets 17 secured to the inner face of the cover 7 and depending therefrom, the 'outer ends of said pivoted arms 16 being pivoted to the rigid upstanding arms 18 carried by the float 11, and positioned at diametrically opposite points thereof. It Will therefore be seen that as the oil or gasolene fed from the tank 6 to the intake stem 19 of the carburetor, by Way of the passage 20 in the base 5, the float 11 will desce'nd'and swing the pivoted rook arms 10 upon their pivots to force: the valve-stem upwardly and thereby openthe inlet passage 20. a

T he passage 20 connectswith' the opening v 21 in the wall of the intake tube 19 of the i 10 carburetor which is secured through the porti'on of the base 5 forming the bottom of the carbureter body or mixing chamber 1 and will therefore conduct 'the oil or gasoden'e' fed from the, oil or gasolene feed tank 6 to the interior of the intake tube 19, withinwhich is adjustably mounted the combined spraying nozzle and valve 22, the lower end of. which. is reduced in diameter and depends from the base The portion 23 of".the valve opposite the opening 21 is further reduced in diameter and'a valve seat 24: is formediat the lower end of said reduced portion 23-.by the beveled upper end of the stationary tube 25 secured in the 25 lower end of the intake tube 19 and depend ing therefrom, the lower end of said tube 25 being threaded to receive the cap 26 through which projects the lower end o'li the combined spraying-nozzle and valve 22, said combined spraying nozzle and valve 22 also extending through the closed end of the sliding thimble 27 and. having the nut 28 threaded upon its extremity It will be'understood that any suitable packingor; the like, not shown, may be positioned in the cap 26 to prevent escape of oil or gasolene by way of the tube 25. The thimble 27 and combined spraying nozzle and valve 22 are resiliently retained in their outermost positions by a helical spring 29 positioned Within said thimble 27 and bearing against the end thereof with one end while the opposite end of said helical spring bears against the washer 30 positioned around the tube 25 and engaged against the plate 31, also engaged around the tube 25,

thereby retaining the plate 31 in' position against the lower face of the base 5.

When-the combined spraying nozzle and .2 50. valve 22 is in its lowermost position, only the minimum amount of oil or gasolene will be allowed to escape from the upper end of the intake tube 19 and be fed to the interior ofthe body or mixing chamber 1 of the carbureter in a fine spray, owing to the fact that the'longitudinal grooves 32 in the upper extremity or head 33 of said combined spraying nozzle and valve. are tapered toward their upper ends and said heads 33 preferably ofi'set from the grooves from the main or body portion 35 of said combined spraying nozzle and valve, the main or. body portion 35 being also provided with longitudinal grooves 36 which are 32 and said main or body portion 35 connecting at its lower end with the reduced portion 23 opposite the opening 21 in the intake tube 19.-

lIhe position of the combined spraying nozzle and valve 22 is regulated by the pivoted toothed thimble operating nicinbcr i'l'i' which is pivoted in the supporting bracket arms 38 depending from the plate 31 and which has the teeth 39 formed upon. its pcriphery and engaged with the threads 40 on the exterior of the thiniblc 2?, it being understood that. the threads l0 are continuous threads and are spaced suitable distances apart, whereby upon movement of the pivoted thimble operating member 37 inone. direction, the sleeve 2? will. be forced upwardly against the tension oi the helical spring 29'. llnrthimble operating member 37 has a pair of arms 4-1 and 42 projecting therefrom, said arm 41. being adapted to be 3 connected with any suitable means, whereby the member 37 may be manually rotated to vary the position of the combined spray.

ing nozzle and valve 22,whcn desired,which operation may be necessary/when starting the engine with which the carbureter is connected.

The arm 42 is mounted upon a pin 43., which is carried in one end of the arm 24,

the opposite end of which is bifurcated and. 1

pivoted to the right angled end 45 or the valve stem l, whereby the member 37 will be operated by the air valve 3 to vary the position of the combined spraying nozzle and oil controlling valve 22 and thereby regulate the quantity of oil or gasolene ontering the mixing chamber according to the amount of air entering said mixing chamber and controlled by said air valve.

It will be understood that the right -angled end l5 of the air valve stem 4: is

provided with a pluralityof openings 46, whereby the bifurcated end of the rod llmay be properly adjusted upon said end 45.

\ By connecting the pivoted thimble opcrating member 37 with the stem 4L of the 'air'valve, said member 37 will be operated upon rotation of the stem 42 in either direction to open or close the air valve 3, there by regulating the combined spraying nozzle and valve, according to the amount 'oi" air allowed to pass the air valve 3.

of air and oil or gasolene will be fed to the y. this arrangement, the proper proportions thereby assuring proper operation of the same. s.

l/Vhile I have shown and described tlu preferred embodiment of my invention, it

body :ormixing chamber of th carbureter, 1

-will be understood. that minor changes in l. i

construction, combination and arrangement of parts may be made Without departing from the spirit and scope of the invention as claimed.

Having thus described my claim:

1. A device of the class described comprising the combination with the mixing chamber of a carbureter and an oil intake pipe leading into the same; of a combined spraying nozzle and valve within said pipe and'adapted for longitudinal movement thereofla portion of said combined spraying nozzle and valve being provided with invention, I

uawardl facin 'rooves said iortion of y b o a v the combinedspraying nozzle and valve being normally projected from the end of the oil inlet tube to permitthe discharge of oil from said tube in the form of a spray, a sleeve mounted upon said combined spraying nozzle and valve, a thimble mounted upon said combined spraying nozzle and valve, means for resiliently retaining the thimble in normal position, means for varying the position of the thimble and combined spraying nozzle and valve, and means for controlling the last mentioned means.

2. A device of the class described com prising the combination with a mixing= v thimble for retaining said combined sprayin normal position, a valve within the air inlet pipe, means engaged with said thimble for varying the position of the combined spraying nozzle and oil inlet controlling valve, and connections between the last mentioned means and the air inlet controlling valve, whereby the amount of oil entering the mixing chamber will be regulated according -to the ainount of air fed to said mixing chamber.

In testimony whereof I aflix my signature in presence of two witnesses.

ALOIS CERNY.

mg nozzle and oilinlet controlling valve 

